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硒是目前国际公认的有特殊生理功能的人体必须微量元素,缺少则容易导致人体产生心血管病、肝病、癌症、大骨节病等疾病。而我国大约有2/3国土处于缺硒带上,正常摄人量大大低于生理需求值,因此需另外补充硒的摄入量,但同时硒又是有毒害元素,过量摄入则会造成中毒。因此如何在大面积范围内简便又适量补充硒的摄入量是一个值得研究和追求的问
Selenium is currently recognized as an essential trace element of the human body with special physiological functions. Lack of it easily leads to diseases such as cardiovascular disease, liver disease, cancer and Kashin-Beck disease in the human body. About two-thirds of our country is in selenium-deficient zones. The normal intake is much lower than the physiological demand. Therefore, we need to supplement the intake of selenium, but at the same time, selenium is a poisonous element and excessive intake can cause Poisoning. Therefore, it is worth to study and pursue how to supplement the intake of selenium easily and moderately in a large area